Update readme.md

0tii · web-flow · commit 00845fe91e0e · 2025-02-12T08:41:37.000+01:00
diff --git a/readme.md b/readme.md
@@ -2,6 +2,9 @@
 
 Remove sheet protection from .xlsx files.
 
+> [!CAUTION]  
+> The (un-)zip functionality with .xlsx files is currently broken under Windows 11, therefore this app does only support up to Windows 10!
+
 ## How to use
 
 
